Del Chiaro Pereira Advogados‘ competition and antitrust practice has deep expertise advising on conduct cases, merger control proceedings, and investigations at both the domestic and cross-border levels. The team also assists with complex antitrust litigation and the implementation of compliance programmes. With broad capabilities and a strong reputation in the Brazilian market, the group has an impressive and expanding client roster, which consists of household names from the technology, banking and finance, and mining and steel sectors, to name a few. José Del Chiaro, who co-heads the department alongside Ademir Antonio Pereira Júnior, is adept at handling antitrust litigation, cartel investigations, and settlement agreements. Pereira Júnior is sought after for his extensive experience in the gamut of antitrust matters, including merger review, unilateral conduct cases, and cartel investigations. Luiz Felipe Rosa Ramos and Mariana de Azevedo Castro César are among other key contacts in the practice for both merger filings and conduct cases.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘The firm has not only in-depth knowledge of the subject, but also of international practice (mainly in the EU and the USA). In addition, it has a thorough and at the same time very practical approach, offering creative solutions to the issues presented to it.’

  • ‘Ademir Pereira Júnior has in-depth knowledge of the business and both Brazilian and foreign competition law. He has excellent relationships with authorities, colleagues and partners, and despite being knowledgeable, he manages to be very quick, speak the client's language, and remain available and very cordial.’

  • ‘Technical depth combined with pragmatism and clarity of communication.’

  • ‘Excellent and creative service.’

  • ‘We recommend Ademir Pereira Júnior.’

  • ‘They have very useful practical knowledge regarding Brazilian merger control, which is not stipulated in the laws or regulations.’

Key clients

  • Google
  • ArcelorMittal
  • Audi
  • Ericsson
  • Kimberly-Clark
  • Mondelez
  • Volkswagen
  • Renault
  • Lundbeck
  • Alcoa
  • Arconic
  • Nutanix

Work highlights

Representing Alcoa in the annulment action challenging CADE’s decision in the flexible packaging market.

Lawyers

Leading partners

The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

José Del Chiaro
Ademir Antonio Pereira Júnior

Next Generation Partners

Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.

Luiz Felipe Rosa Ramos

Leading associates

Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.

Mariana de Azevedo Castro César
Yan Villela Vieira

Practice head

José Del Chiaro; Ademir Antonio Pereira Júnior

Other key lawyers

Luiz Felipe Rosa Ramos; Yan Villela Vieira; Mariana De Azevedo Castro Cesar